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test_crs.py
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test_crs.py
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import concurrent.futures
import json
import platform
from unittest.mock import patch
import numpy
import pytest
import pyproj
from pyproj import CRS
from pyproj._crs import AuthorityMatchInfo
from pyproj.crs import (
CoordinateOperation,
CoordinateSystem,
Datum,
Ellipsoid,
PrimeMeridian,
)
from pyproj.crs.enums import CoordinateOperationType, DatumType
from pyproj.enums import ProjVersion, WktVersion
from pyproj.exceptions import CRSError
from pyproj.transformer import TransformerGroup
from test.conftest import PROJ_GTE_91, PROJ_GTE_901, assert_can_pickle, grids_available
class CustomCRS(object):
def to_wkt(self):
return CRS.from_epsg(4326).to_wkt()
def test_from_proj4_json():
json_str = '{"proj": "longlat", "ellps": "WGS84", "datum": "WGS84"}'
proj = CRS.from_string(json_str)
with pytest.warns(UserWarning):
assert proj.to_proj4(4) == "+proj=longlat +datum=WGS84 +no_defs +type=crs"
assert proj.to_proj4(5) == "+proj=longlat +datum=WGS84 +no_defs +type=crs"
# Test with invalid JSON code
with pytest.raises(CRSError):
assert CRS.from_string("{foo: bar}")
def test_from_proj4():
proj = CRS.from_proj4("+proj=longlat +datum=WGS84 +no_defs +type=crs")
with pytest.warns(UserWarning):
assert proj.to_proj4() == "+proj=longlat +datum=WGS84 +no_defs +type=crs"
def test_from_proj4__invalid():
# Test with invalid JSON code
with pytest.raises(CRSError):
assert CRS.from_proj4(CRS(3857).to_wkt())
def test_from_epsg():
proj = CRS.from_epsg(4326)
assert proj.to_epsg() == 4326
# Test with invalid EPSG code
with pytest.raises(CRSError):
assert CRS.from_epsg(0)
def test_from_epsg_string():
proj = CRS.from_string("epsg:4326")
assert proj.to_epsg() == 4326
# Test with invalid EPSG code
with pytest.raises(CRSError):
assert CRS.from_string("epsg:xyz")
def test_from_epsg_int_like_string():
proj = CRS.from_string("4326")
assert proj.to_epsg() == 4326
# Test with invalid EPSG code
with pytest.raises(CRSError):
assert CRS.from_string("0")
def test_from_string():
wgs84_crs = CRS.from_string("+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs")
with pytest.warns(UserWarning):
assert wgs84_crs.to_proj4() == "+proj=longlat +datum=WGS84 +no_defs +type=crs"
# Make sure this doesn't get handled using the from_epsg()
# even though 'epsg' is in the string
with pytest.warns(FutureWarning):
epsg_init_crs = CRS.from_string("+init=epsg:26911 +units=m +no_defs=True")
with pytest.warns(UserWarning):
assert (
epsg_init_crs.to_proj4()
== "+proj=utm +zone=11 +datum=NAD83 +units=m +no_defs +type=crs"
)
def test_from_numpy():
crs_numpy = numpy.array([4326])[0]
proj = CRS.from_user_input(crs_numpy)
assert proj.to_epsg() == 4326
# Test with invalid EPSG code
with pytest.raises(CRSError):
crs_numpy = numpy.array([0])[0]
assert CRS.from_epsg(crs_numpy)
def test_from_string__invalid():
with pytest.raises(CRSError, match="CRS input is not a string"):
CRS.from_string(4326)
def test_initialize_projparams_with_kwargs():
crs_mixed_args = CRS("+proj=utm +zone=10", ellps="WGS84")
crs_positional = CRS("+proj=utm +zone=10 +ellps=WGS84")
assert crs_mixed_args.is_exact_same(crs_positional)
def test_bare_parameters():
"""Make sure that bare parameters (e.g., no_defs) are handled properly,
even if they come in with key=True. This covers interaction with pyproj,
which makes presents bare parameters as key=<bool>."""
# Example produced by pyproj
proj = CRS.from_string(
"+proj=lcc +lon_0=-95 +ellps=GRS80 +y_0=0 +no_defs=True "
"+x_0=0 +units=m +lat_2=77 +lat_1=49 +lat_0=0"
)
with pytest.warns(UserWarning):
assert "+no_defs" in proj.to_proj4(4)
# TODO: THIS DOES NOT WORK
proj = CRS.from_string(
"+lon_0=-95 +ellps=GRS80 +proj=lcc +y_0=0 +no_defs=False "
"+x_0=0 +units=m +lat_2=77 +lat_1=49 +lat_0=0"
)
# assert "+no_defs" not in proj.to_proj4(4)
def test_is_geographic():
assert CRS("EPSG:4326").is_geographic is True
assert CRS("EPSG:3857").is_geographic is False
wgs84_crs = CRS.from_string("+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs")
assert wgs84_crs.is_geographic is True
nad27_crs = CRS.from_string("+proj=longlat +ellps=clrk66 +datum=NAD27 +no_defs")
assert nad27_crs.is_geographic is True
lcc_crs = CRS.from_string(
"+lon_0=-95 +ellps=GRS80 +y_0=0 +no_defs=True +proj=lcc +x_0=0 "
"+units=m +lat_2=77 +lat_1=49 +lat_0=0"
)
assert lcc_crs.is_geographic is False
def test_is_projected():
assert CRS("EPSG:3857").is_projected is True
lcc_crs = CRS.from_string(
"+lon_0=-95 +ellps=GRS80 +y_0=0 +no_defs=True +proj=lcc +x_0=0 "
"+units=m +lat_2=77 +lat_1=49 +lat_0=0"
)
assert CRS.from_user_input(lcc_crs).is_projected is True
wgs84_crs = CRS.from_string("+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs")
assert CRS.from_user_input(wgs84_crs).is_projected is False
def test_is_compound():
assert CRS("EPSG:4326+5773").is_compound
assert not CRS("EPSG:4326").is_compound
def test_is_same_crs():
crs1 = CRS("urn:ogc:def:crs:OGC::CRS84")
crs2 = CRS("EPSG:3857")
assert crs1 == crs1
assert crs1 != crs2
wgs84_crs = CRS.from_string("+proj=longlat +ellps=WGS84 +datum=WGS84")
assert crs1 == wgs84_crs
# Make sure that same projection with different parameter are not equal
lcc_crs1 = CRS.from_string(
"+lon_0=-95 +ellps=GRS80 +y_0=0 +no_defs=True +proj=lcc "
"+x_0=0 +units=m +lat_2=77 +lat_1=49 +lat_0=0"
)
lcc_crs2 = CRS.from_string(
"+lon_0=-95 +ellps=GRS80 +y_0=0 +no_defs=True +proj=lcc "
"+x_0=0 +units=m +lat_2=77 +lat_1=45 +lat_0=0"
)
assert lcc_crs1 != lcc_crs2
def test_to_proj4():
with pytest.warns(UserWarning):
assert (
CRS("EPSG:4326").to_proj4(4)
== "+proj=longlat +datum=WGS84 +no_defs +type=crs"
)
def test_empty_json():
with pytest.raises(CRSError):
CRS.from_string("{}")
with pytest.raises(CRSError):
CRS.from_string("[]")
with pytest.raises(CRSError):
CRS.from_string("")
def test_has_wkt_property():
with pytest.warns(FutureWarning):
assert (
CRS({"init": "EPSG:4326"})
.to_wkt("WKT1_GDAL")
.startswith('GEOGCS["WGS 84",DATUM')
)
def test_to_wkt_pretty():
crs = CRS.from_epsg(4326)
assert "\n" in crs.to_wkt(pretty=True)
assert "\n" not in crs.to_wkt()
def test_repr():
with pytest.warns(FutureWarning):
assert repr(CRS({"init": "EPSG:4326"})) == (
"<Geographic 2D CRS: +init=epsg:4326 +type=crs>\n"
"Name: WGS 84\n"
"Axis Info [ellipsoidal]:\n"
"- lon[east]: Longitude (degree)\n"
"- lat[north]: Latitude (degree)\n"
"Area of Use:\n"
"- name: World.\n"
"- bounds: (-180.0, -90.0, 180.0, 90.0)\n"
"Datum: World Geodetic System 1984 ensemble\n"
"- Ellipsoid: WGS 84\n"
"- Prime Meridian: Greenwich\n"
)
def test_repr__long():
with pytest.warns(FutureWarning):
wkt_str = 'GEOGCRS["WGS 84",ENSEMBLE["World Geodetic System 1'
assert repr(CRS(CRS({"init": "EPSG:4326"}).to_wkt())) == (
f"<Geographic 2D CRS: {wkt_str} ...>\n"
"Name: WGS 84\n"
"Axis Info [ellipsoidal]:\n"
"- lon[east]: Longitude (degree)\n"
"- lat[north]: Latitude (degree)\n"
"Area of Use:\n"
"- name: World.\n"
"- bounds: (-180.0, -90.0, 180.0, 90.0)\n"
"Datum: World Geodetic System 1984 ensemble\n"
"- Ellipsoid: WGS 84\n"
"- Prime Meridian: Greenwich\n"
)
def test_repr_epsg():
assert repr(CRS(CRS("EPSG:4326").to_wkt())) == (
"<Geographic 2D CRS: EPSG:4326>\n"
"Name: WGS 84\n"
"Axis Info [ellipsoidal]:\n"
"- Lat[north]: Geodetic latitude (degree)\n"
"- Lon[east]: Geodetic longitude (degree)\n"
"Area of Use:\n"
"- name: World.\n"
"- bounds: (-180.0, -90.0, 180.0, 90.0)\n"
"Datum: World Geodetic System 1984 ensemble\n"
"- Ellipsoid: WGS 84\n"
"- Prime Meridian: Greenwich\n"
)
def test_repr__undefined():
datum_name = "unknown"
if PROJ_GTE_901:
datum_name = f"{datum_name} using nadgrids=@null"
assert repr(
CRS(
"+proj=merc +a=6378137.0 +b=6378137.0 +nadgrids=@null"
" +lon_0=0.0 +x_0=0.0 +y_0=0.0 +units=m +no_defs"
)
) == (
"<Bound CRS: +proj=merc +a=6378137.0 +b=6378137.0 +nadgrids=@nu ...>\n"
"Name: unknown\n"
"Axis Info [cartesian]:\n"
"- E[east]: Easting (metre)\n"
"- N[north]: Northing (metre)\n"
"Area of Use:\n"
"- undefined\n"
"Coordinate Operation:\n"
"- name: unknown to WGS84\n"
"- method: NTv2\n"
f"Datum: {datum_name}\n"
"- Ellipsoid: unknown\n"
"- Prime Meridian: Greenwich\n"
"Source CRS: unknown\n"
)
def test_repr_compound():
assert repr(CRS.from_epsg(3901)) == (
"<Compound CRS: EPSG:3901>\n"
"Name: KKJ / Finland Uniform Coordinate System + N60 height\n"
"Axis Info [cartesian|vertical]:\n"
"- X[north]: Northing (metre)\n"
"- Y[east]: Easting (metre)\n"
"- H[up]: Gravity-related height (metre)\n"
"Area of Use:\n"
"- name: Finland - onshore.\n"
"- bounds: (19.24, 59.75, 31.59, 70.09)\n"
"Datum: Kartastokoordinaattijarjestelma (1966)\n"
"- Ellipsoid: International 1924\n"
"- Prime Meridian: Greenwich\n"
"Sub CRS:\n"
"- KKJ / Finland Uniform Coordinate System\n"
"- N60 height\n"
)
def test_axis_info_compound():
assert [axis.direction for axis in CRS.from_epsg(3901).axis_info] == [
"north",
"east",
"up",
]
def test_dunder_str():
with pytest.warns(FutureWarning):
assert str(CRS({"init": "EPSG:4326"})) == CRS({"init": "EPSG:4326"}).srs
def test_epsg():
with pytest.warns(FutureWarning):
assert CRS({"init": "EPSG:4326"}).to_epsg(20) == 4326
assert CRS({"init": "EPSG:4326"}).to_epsg() is None
assert CRS.from_user_input(4326).to_epsg() == 4326
assert CRS.from_epsg(4326).to_epsg() == 4326
assert CRS.from_user_input("epsg:4326").to_epsg() == 4326
def test_datum():
datum = CRS.from_epsg(4326).datum
assert "\n" in repr(datum)
datum_wkt = 'ENSEMBLE["World Geodetic System 1984 ensemble"'
assert repr(datum).startswith(datum_wkt)
assert datum.to_wkt().startswith(datum_wkt)
assert datum == datum
assert datum.is_exact_same(datum)
def test_datum_horizontal():
assert CRS.from_epsg(5972).datum == CRS.from_epsg(25832).datum
def test_datum_unknown():
crs = CRS(
"+proj=omerc +lat_0=-36.10360962430914 "
"+lonc=147.06322917270154 +alpha=-54.786229796129035 "
"+k=1 +x_0=0 +y_0=0 +gamma=0 +ellps=WGS84 "
"+towgs84=0,0,0,0,0,0,0 +units=m +no_defs"
)
datum_name = "Unknown based on WGS84 ellipsoid"
if PROJ_GTE_901:
datum_name = f"{datum_name} using towgs84=0,0,0,0,0,0,0"
assert crs.datum.name == datum_name
def test_epsg__not_found():
assert CRS("+proj=longlat +datum=WGS84 +no_defs +towgs84=0,0,0").to_epsg(0) is None
assert (
CRS.from_string("+proj=longlat +datum=WGS84 +no_defs +towgs84=0,0,0").to_epsg()
is None
)
def test_epsg__no_code_available():
lcc_crs = CRS.from_string(
"+lon_0=-95 +ellps=GRS80 +y_0=0 +no_defs=True +proj=lcc "
"+x_0=0 +units=m +lat_2=77 +lat_1=49 +lat_0=0"
)
assert lcc_crs.to_epsg() is None
def test_crs_OSR_equivalence():
crs1 = CRS.from_string("+proj=longlat +datum=WGS84 +no_defs")
crs2 = CRS.from_string("+proj=latlong +datum=WGS84 +no_defs")
with pytest.warns(FutureWarning):
crs3 = CRS({"init": "EPSG:4326"})
assert crs1 == crs2
# these are not equivalent in proj.4 now as one uses degrees and the other radians
assert crs1 == crs3
def test_crs_OSR_no_equivalence():
crs1 = CRS.from_string("+proj=longlat +datum=WGS84 +no_defs")
crs2 = CRS.from_string("+proj=longlat +datum=NAD27 +no_defs")
assert crs1 != crs2
def test_init_from_wkt():
wgs84 = CRS.from_string("+proj=longlat +datum=WGS84 +no_defs")
from_wkt = CRS(wgs84.to_wkt())
assert wgs84.to_wkt() == from_wkt.to_wkt()
def test_init_from_wkt_invalid():
with pytest.raises(CRSError):
CRS("trash-54322")
with pytest.raises(CRSError):
CRS("")
def test_from_wkt():
wgs84 = CRS.from_string("+proj=longlat +datum=WGS84 +no_defs")
from_wkt = CRS.from_wkt(wgs84.to_wkt())
assert wgs84.to_wkt() == from_wkt.to_wkt()
def test_from_wkt_invalid():
with pytest.raises(CRSError), pytest.warns(UserWarning):
CRS.from_wkt(CRS(4326).to_proj4())
def test_from_user_input_epsg():
with pytest.warns(UserWarning):
assert "+proj=longlat" in CRS.from_user_input("EPSG:4326").to_proj4(4)
def test_from_esri_wkt():
projection_string = (
'PROJCS["USA_Contiguous_Albers_Equal_Area_Conic_USGS_version",'
'GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",'
'SPHEROID["GRS_1980",6378137.0,298.257222101]],'
'PRIMEM["Greenwich",0.0],'
'UNIT["Degree",0.0174532925199433]],'
'PROJECTION["Albers"],'
'PARAMETER["false_easting",0.0],'
'PARAMETER["false_northing",0.0],'
'PARAMETER["central_meridian",-96.0],'
'PARAMETER["standard_parallel_1",29.5],'
'PARAMETER["standard_parallel_2",45.5],'
'PARAMETER["latitude_of_origin",23.0],'
'UNIT["Meter",1.0],'
'VERTCS["NAVD_1988",'
'VDATUM["North_American_Vertical_Datum_1988"],'
'PARAMETER["Vertical_Shift",0.0],'
'PARAMETER["Direction",1.0],UNIT["Centimeter",0.01]]]'
)
proj_crs_str = CRS.from_string(projection_string)
proj_crs_wkt = CRS(projection_string)
with pytest.warns(UserWarning):
assert proj_crs_str.to_proj4() == proj_crs_wkt.to_proj4()
assert proj_crs_str.to_proj4(4) == (
"+proj=aea +lat_0=23 +lon_0=-96 +lat_1=29.5 "
"+lat_2=45.5 +x_0=0 +y_0=0 +datum=NAD83 +units=m +no_defs +type=crs"
)
def test_compound_crs():
wkt = """COMPD_CS["unknown",GEOGCS["WGS 84",DATUM["WGS_1984",
SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],
TOWGS84[0,0,0,0,0,0,0],AUTHORITY["EPSG","6326"]],
PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433],
AUTHORITY["EPSG","4326"]],VERT_CS["unknown",
VERT_DATUM["unknown",2005],UNIT["metre",1.0,
AUTHORITY["EPSG","9001"]],AXIS["Up",UP]]]"""
assert CRS(wkt).to_wkt("WKT1_GDAL").startswith('COMPD_CS["unknown",GEOGCS["WGS 84"')
def test_ellipsoid():
crs1 = CRS.from_epsg(4326)
assert f"{crs1.ellipsoid.inverse_flattening:.3f}" == "298.257"
assert f"{crs1.ellipsoid.semi_major_metre:.3f}" == "6378137.000"
assert f"{crs1.ellipsoid.semi_minor_metre:.3f}" == "6356752.314"
def test_ellipsoid__semi_minor_not_computed():
cc = CRS("+proj=geos +lon_0=-89.5 +a=6378137.0 +b=6356752.31 h=12345")
assert cc.datum.ellipsoid.semi_minor_metre == 6356752.31
assert cc.datum.ellipsoid.semi_major_metre == 6378137.0
assert not cc.datum.ellipsoid.is_semi_minor_computed
def test_area_of_use():
crs1 = CRS.from_epsg(4326)
assert crs1.area_of_use.bounds == (-180.0, -90.0, 180.0, 90.0)
assert crs1.area_of_use.name == "World."
def test_from_user_input_custom_crs_class():
assert CRS.from_user_input(CustomCRS()) == CRS.from_epsg(4326)
def test_non_crs_error():
with pytest.raises(CRSError, match="Input is not a CRS"):
CRS(
"+proj=pipeline +ellps=GRS80 +step +proj=merc "
"+step +proj=axisswap +order=2,1"
)
def test_sub_crs():
crs = CRS.from_epsg(5972)
sub_crs_list = crs.sub_crs_list
assert len(sub_crs_list) == 2
assert sub_crs_list[0] == CRS.from_epsg(25832)
assert sub_crs_list[1] == CRS.from_epsg(5941)
assert crs.is_projected
assert crs.is_vertical
assert not crs.is_geographic
def test_sub_crs__none():
assert CRS.from_epsg(4326).sub_crs_list == []
def test_coordinate_system():
crs = CRS.from_epsg(26915)
assert repr(crs.coordinate_system).startswith("CS[Cartesian")
assert crs.coordinate_system.name == "cartesian"
assert crs.coordinate_system.name == str(crs.coordinate_system)
assert crs.coordinate_system.axis_list == crs.axis_info
assert len(crs.coordinate_system.axis_list) == 2
def test_coordinate_system_geog():
crs = CRS.from_epsg(4326)
assert repr(crs.coordinate_system).startswith("CS[ellipsoidal")
assert crs.coordinate_system.name == "ellipsoidal"
assert crs.coordinate_system.name == str(crs.coordinate_system)
assert crs.coordinate_system.axis_list == crs.axis_info
assert repr(crs.coordinate_system.axis_list) == (
"[Axis(name=Geodetic latitude, abbrev=Lat, direction=north, "
"unit_auth_code=EPSG, unit_code=9122, unit_name=degree), "
"Axis(name=Geodetic longitude, abbrev=Lon, direction=east, "
"unit_auth_code=EPSG, unit_code=9122, unit_name=degree)]"
)
def test_coordinate_operation():
crs = CRS.from_epsg(26915)
assert repr(crs.coordinate_operation) == (
"<Coordinate Operation: Conversion>\n"
"Name: UTM zone 15N\n"
"Method: Transverse Mercator\n"
"Area of Use:\n"
"- name: Between 96°W and 90°W, northern hemisphere between equator and 84°N, "
"onshore and offshore.\n"
"- bounds: (-96.0, 0.0, -90.0, 84.0)"
)
assert crs.coordinate_operation.method_name == "Transverse Mercator"
assert crs.coordinate_operation.name == str(crs.coordinate_operation)
assert crs.coordinate_operation.method_auth_name == "EPSG"
assert crs.coordinate_operation.method_code == "9807"
assert crs.coordinate_operation.is_instantiable == 1
assert crs.coordinate_operation.has_ballpark_transformation == 0
assert crs.coordinate_operation.accuracy == -1.0
assert repr(crs.coordinate_operation.params) == (
"[Param(name=Latitude of natural origin, auth_name=EPSG, code=8801, "
"value=0.0, unit_name=degree, unit_auth_name=EPSG, "
"unit_code=9102, unit_category=angular), "
"Param(name=Longitude of natural origin, auth_name=EPSG, code=8802, "
"value=-93.0, unit_name=degree, unit_auth_name=EPSG, "
"unit_code=9102, unit_category=angular), "
"Param(name=Scale factor at natural origin, auth_name=EPSG, code=8805, "
"value=0.9996, unit_name=unity, unit_auth_name=EPSG, "
"unit_code=9201, unit_category=scale), "
"Param(name=False easting, auth_name=EPSG, code=8806, value=500000.0, "
"unit_name=metre, unit_auth_name=EPSG, unit_code=9001, unit_category=linear), "
"Param(name=False northing, auth_name=EPSG, code=8807, value=0.0, "
"unit_name=metre, unit_auth_name=EPSG, unit_code=9001, unit_category=linear)]"
)
assert crs.coordinate_operation.grids == []
def test_coordinate_operation_grids():
cc = CoordinateOperation.from_epsg(1312)
if not cc.grids[0].full_name:
assert (
repr(cc.grids)
== "[Grid(short_name=NTv1_0.gsb, full_name=, package_name=, url=, "
"direct_download=False, open_license=False, available=False)]"
)
else:
assert (
repr(cc.grids)
== "[Grid(short_name=NTv1_0.gsb, full_name=NTv1_0.gsb, package_name=, "
"url=, direct_download=False, open_license=False, available=False)]"
)
@pytest.mark.grid
def test_coordinate_operation_grids__alternative_grid_name():
cc = CoordinateOperation.from_epsg(1312, True)
assert len(cc.grids) == 1
grid = cc.grids[0]
assert grid.direct_download is True
assert grid.open_license is True
assert grid.short_name == "ca_nrc_ntv1_can.tif"
if (PROJ_GTE_91 and grids_available(grid.short_name, check_network=False)) or (
not PROJ_GTE_91 and grids_available(grid.short_name)
):
assert grid.available is True
assert grid.full_name.endswith(grid.short_name)
elif PROJ_GTE_91 and pyproj.network.is_network_enabled():
assert grid.available is True
assert grid.full_name == ""
else:
assert grid.available is False
assert grid.full_name == ""
assert grid.package_name == ""
assert grid.url == "https://cdn.proj.org/ca_nrc_ntv1_can.tif"
def test_coordinate_operation__missing():
crs = CRS.from_epsg(4326)
assert crs.coordinate_operation is None
def test_coordinate_operation__from_epsg():
cc = CoordinateOperation.from_epsg(16031)
assert cc.method_auth_name == "EPSG"
assert cc.method_code == "9807"
def test_coordinate_operation__from_authority():
cc = CoordinateOperation.from_authority("EPSG", 16031)
assert cc.method_auth_name == "EPSG"
assert cc.method_code == "9807"
@pytest.mark.parametrize(
"user_input",
[
1671,
("EPSG", 1671),
"urn:ogc:def:coordinateOperation:EPSG::1671",
CoordinateOperation.from_epsg(1671),
CoordinateOperation.from_epsg(1671).to_json_dict(),
"RGF93 v1 to WGS 84 (1)",
],
)
def test_coordinate_operation__from_user_input(user_input):
assert CoordinateOperation.from_user_input(
user_input
) == CoordinateOperation.from_epsg(1671)
def test_coordinate_operation__from_user_input__invalid():
with pytest.raises(CRSError, match="Invalid coordinate operation"):
CoordinateOperation.from_user_input({})
def test_coordinate_operation__from_epsg__empty():
with pytest.raises(CRSError, match="Invalid authority"):
CoordinateOperation.from_epsg(1)
def test_coordinate_operation__from_authority__empty():
with pytest.raises(CRSError, match="Invalid authority"):
CoordinateOperation.from_authority("BOB", 4326)
def test_datum__from_epsg():
datum_wkt = (
'ENSEMBLE["World Geodetic System 1984 ensemble",'
'MEMBER["World Geodetic System 1984 (Transit)",ID["EPSG",1166]],'
'MEMBER["World Geodetic System 1984 (G730)",ID["EPSG",1152]],'
'MEMBER["World Geodetic System 1984 (G873)",ID["EPSG",1153]],'
'MEMBER["World Geodetic System 1984 (G1150)",ID["EPSG",1154]],'
'MEMBER["World Geodetic System 1984 (G1674)",ID["EPSG",1155]],'
'MEMBER["World Geodetic System 1984 (G1762)",ID["EPSG",1156]],'
'MEMBER["World Geodetic System 1984 (G2139)",ID["EPSG",1309]],'
'ELLIPSOID["WGS 84",6378137,298.257223563,LENGTHUNIT["metre",1],'
'ID["EPSG",7030]],ENSEMBLEACCURACY[2.0],ID["EPSG",6326]]'
)
assert Datum.from_epsg("6326").to_wkt() == datum_wkt
def test_datum__from_authority():
dt = Datum.from_authority("EPSG", 6326)
assert dt.name == "World Geodetic System 1984 ensemble"
def test_datum__from_epsg__invalid():
with pytest.raises(CRSError, match="Invalid authority"):
Datum.from_epsg(1)
def test_datum__from_authority__invalid():
with pytest.raises(CRSError, match="Invalid authority"):
Datum.from_authority("BOB", 1)
@pytest.mark.parametrize(
"user_input",
[
6326,
("EPSG", 6326),
"urn:ogc:def:ensemble:EPSG::6326",
Datum.from_epsg(6326),
Datum.from_epsg(6326).to_json_dict(),
"World Geodetic System 1984",
],
)
def test_datum__from_user_input(user_input):
assert Datum.from_user_input(user_input) == Datum.from_epsg(6326)
def test_datum__from_user_input__invalid():
with pytest.raises(CRSError, match="Invalid datum"):
Datum.from_user_input({})
def test_prime_meridian__from_epsg():
assert PrimeMeridian.from_epsg(8903).to_wkt() == (
'PRIMEM["Paris",2.5969213,ANGLEUNIT["grad",0.0157079632679489],ID["EPSG",8903]]'
)
def test_prime_meridian__from_authority():
assert PrimeMeridian.from_authority("EPSG", 8903).name == "Paris"
def test_prime_meridian__from_epsg__invalid():
with pytest.raises(CRSError, match="Invalid authority"):
PrimeMeridian.from_epsg(1)
def test_prime_meridian__from_authority__invalid():
with pytest.raises(CRSError, match="Invalid authority"):
PrimeMeridian.from_authority("Bob", 1)
@pytest.mark.parametrize(
"user_input",
[
8901,
("EPSG", 8901),
"urn:ogc:def:meridian:EPSG::8901",
PrimeMeridian.from_epsg(8901),
PrimeMeridian.from_epsg(8901).to_json_dict(),
"Greenwich",
],
)
def test_prime_meridian__from_user_input(user_input):
assert PrimeMeridian.from_user_input(user_input) == PrimeMeridian.from_epsg(8901)
def test_prime_meridian__from_user_input__invalid():
with pytest.raises(CRSError, match="Invalid prime meridian"):
PrimeMeridian.from_user_input({})
def test_ellipsoid__from_epsg():
assert Ellipsoid.from_epsg(7030).to_wkt() == (
'ELLIPSOID["WGS 84",6378137,298.257223563,'
'LENGTHUNIT["metre",1],ID["EPSG",7030]]'
)
def test_ellipsoid__from_authority():
assert Ellipsoid.from_authority("EPSG", 7030).name == "WGS 84"
def test_ellipsoid__from_epsg__invalid():
with pytest.raises(CRSError, match="Invalid authority"):
Ellipsoid.from_epsg(1)
def test_ellipsoid__from_authority__invalid():
with pytest.raises(CRSError, match="Invalid authority"):
Ellipsoid.from_authority("BOB", 1)
@pytest.mark.parametrize(
"user_input",
[
7001,
("EPSG", 7001),
"urn:ogc:def:ellipsoid:EPSG::7001",
Ellipsoid.from_epsg(7001),
Ellipsoid.from_epsg(7001).to_json_dict(),
"Airy 1830",
],
)
def test_ellipsoid__from_user_input(user_input):
assert Ellipsoid.from_user_input(user_input) == Ellipsoid.from_epsg(7001)
def test_ellipsoid__from_user_input__invalid():
with pytest.raises(CRSError, match="Invalid ellipsoid"):
Ellipsoid.from_user_input({})
CS_JSON_DICT = {
"$schema": "https://proj.org/schemas/v0.2/projjson.schema.json",
"type": "CoordinateSystem",
"subtype": "Cartesian",
"axis": [
{"name": "Easting", "abbreviation": "E", "direction": "east", "unit": "metre"},
{
"name": "Northing",
"abbreviation": "N",
"direction": "north",
"unit": "metre",
},
],
}
@pytest.mark.parametrize(
"user_input",
[
CS_JSON_DICT,
json.dumps(CS_JSON_DICT),
CoordinateSystem.from_json_dict(CS_JSON_DICT),
],
)
def test_coordinate_system__from_user_input(user_input):
assert CoordinateSystem.from_user_input(
user_input
) == CoordinateSystem.from_json_dict(CS_JSON_DICT)
@pytest.mark.parametrize(
"user_input",
[
7001,
("EPSG", 7001),
"urn:ogc:def:ellipsoid:EPSG::7001",
Ellipsoid.from_epsg(7001),
Ellipsoid.from_epsg(7001).to_json_dict(),
],
)
def test_coordinate_system__from_user_input__invalid(user_input):
with pytest.raises(CRSError, match="Invalid"):
CoordinateSystem.from_user_input(user_input)
def test_bound_crs_is_geographic():
assert CRS(
"proj=longlat datum=WGS84 no_defs ellps=WGS84 towgs84=0,0,0"
).is_geographic
def test_coordinate_operation_towgs84_three():
crs = CRS("+proj=latlong +ellps=GRS80 +towgs84=-199.87,74.79,246.62")
assert crs.coordinate_operation.towgs84 == [-199.87, 74.79, 246.62]
def test_coordinate_operation_towgs84_seven():
crs = CRS(
"+proj=tmerc +lat_0=0 +lon_0=15 +k=0.9996 +x_0=2520000 +y_0=0 "
"+ellps=intl +towgs84=-122.74,-34.27,-22.83,-1.884,-3.400,-3.030,-15.62"
)
assert crs.coordinate_operation.towgs84 == [
-122.74,
-34.27,
-22.83,
-1.884,
-3.4,
-3.03,
-15.62,
]
def test_axis_info_bound():
crs = CRS(
"+proj=tmerc +lat_0=0 +lon_0=15 +k=0.9996 +x_0=2520000 +y_0=0 "
"+ellps=intl +towgs84=-122.74,-34.27,-22.83,-1.884,-3.400,-3.030,-15.62"
)
assert [axis.direction for axis in crs.axis_info] == ["east", "north"]
def test_coordinate_operation_towgs84_missing():
crs = CRS("epsg:3004")
assert crs.coordinate_operation.towgs84 == []
@pytest.mark.parametrize(
"wkt_version_str, wkt_version_enum",
[
("WKT1_GDAL", WktVersion.WKT1_GDAL),
("WKT2_2018", WktVersion.WKT2_2018),
("WKT2_2018_SIMPLIFIED", WktVersion.WKT2_2018_SIMPLIFIED),
("WKT2_2019", WktVersion.WKT2_2019),
("WKT2_2019_SIMPLIFIED", WktVersion.WKT2_2019_SIMPLIFIED),
("WKT2_2015", WktVersion.WKT2_2015),
("WKT2_2015_SIMPLIFIED", WktVersion.WKT2_2015_SIMPLIFIED),
],
)
def test_to_wkt_enum(wkt_version_str, wkt_version_enum):
crs = CRS.from_epsg(4326)
assert crs.to_wkt(wkt_version_str) == crs.to_wkt(wkt_version_enum)
def test_to_wkt_enum__invalid():
crs = CRS.from_epsg(4326)
with pytest.raises(ValueError, match="Invalid value"):
crs.to_wkt("WKT_INVALID")
@pytest.mark.parametrize(
"wkt_version",
["WKT2_2015", "WKT2_2015_SIMPLIFIED", "WKT1_GDAL", "WKT1_ESRI"],
)
def test_to_wkt_none_warning(wkt_version):
wkt_string = (
'PROJCRS["unknown",BASEGEOGCRS["unknown",DATUM["unknown",'
'ELLIPSOID["WGS 84",6378137,298.257223563,LENGTHUNIT["metre",1,'
'ID["EPSG",9001]]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199],'
'ID["EPSG",8901]]],CONVERSION["unknown",METHOD["Equidistant Cylindrical",'
'ID["EPSG",1028]],PARAMETER["Latitude of 1st standard parallel",0,'
'ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8823]],'
'PARAMETER["Longitude of natural origin",0,ANGLEUNIT["degree",0.0174532925199],'
'ID["EPSG",8802]],PARAMETER["False easting",0,'
'LENGTHUNIT["unknown",111319.490793274],ID["EPSG",8806]],'
'PARAMETER["False northing",0,LENGTHUNIT["unknown",111319.490793274],'
'ID["EPSG",8807]]],CS[Cartesian,3],AXIS["(E)",east,ORDER[1],'
'LENGTHUNIT["unknown",111319.490793274]],AXIS["(N)",north,ORDER[2],'
'LENGTHUNIT["unknown",111319.490793274]],AXIS["ellipsoidal height (h)",up,'
'ORDER[3],LENGTHUNIT["metre",1,ID["EPSG",9001]]]]'
)
crs = CRS.from_wkt(wkt_string)
with pytest.warns(FutureWarning, match="CRS cannot be converted to a WKT string"):
assert crs.to_wkt(version=wkt_version) is None
def test_to_proj4_none_warning():
crs = CRS("EPSG:4326")
with patch("pyproj.crs.crs.CRS._crs") as crs_mock, pytest.warns(
FutureWarning, match="CRS cannot be converted to a PROJ string"
):
crs_mock.to_proj4.return_value = None
assert crs.to_proj4() is None
def test_to_json_none_warning():
crs = CRS("EPSG:4326")
with patch("pyproj.crs.crs.CRS._crs") as crs_mock, pytest.warns(
FutureWarning, match="CRS cannot be converted to a PROJ JSON string"
):
crs_mock.to_json.return_value = None
assert crs.to_json() is None
def test_to_proj4_enum():
crs = CRS.from_epsg(4326)
with pytest.warns(UserWarning):
assert crs.to_proj4(4) == crs.to_proj4(ProjVersion.PROJ_4)
assert crs.to_proj4(5) == crs.to_proj4(ProjVersion.PROJ_5)
def test_datum_equals():
datum = Datum.from_epsg(6326)
assert datum == 6326
assert not datum != 6326
assert datum != "invalid"
@pytest.mark.parametrize(
"input_str",
[
"urn:ogc:def:ensemble:EPSG::6326",
"World Geodetic System 1984",
],
)
def test_datum__from_string(input_str):
dd = Datum.from_string(input_str)
assert dd.name == "World Geodetic System 1984 ensemble"
assert dd.type_name == "Datum Ensemble"
@pytest.mark.parametrize(
"input_str, type_name",
[
('ENGINEERINGDATUM["Engineering datum"]', "Engineering Datum"),
('PDATUM["Mean Sea Level",ANCHOR["1013.25 hPa at 15°C"]]', "Parametric Datum"),
(
'TDATUM["Gregorian calendar",CALENDAR["proleptic Gregorian"],'
"TIMEORIGIN[0000-01-01]]",
"Temporal Datum",
),
],
)
def test_datum__from_string__type_name(input_str, type_name):
dd = Datum.from_string(input_str)
assert dd.type_name == type_name
@pytest.mark.parametrize(
"input_name", ["World Geodetic System 1984", "WGS84", "WGS 84"]